From 449404d09d8599502b48a2310f1a9dfebbc376a0 Mon Sep 17 00:00:00 2001
From: ZhangCheng <chengzhang@apache.org>
Date: Thu, 23 Nov 2023 14:53:42 +0800
Subject: [PATCH] Use ArrayList to optimize executeBatch performance

---
 .../driver/executor/batch/BatchExecutionUnit.java              | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jdbc/core/src/main/java/org/apache/shardingsphere/driver/executor/batch/BatchExecutionUnit.java b/jdbc/core/src/main/java/org/apache/shardingsphere/driver/executor/batch/BatchExecutionUnit.java
index 00e6162b4cb2e..38432deabe161 100644
--- a/jdbc/core/src/main/java/org/apache/shardingsphere/driver/executor/batch/BatchExecutionUnit.java
+++ b/jdbc/core/src/main/java/org/apache/shardingsphere/driver/executor/batch/BatchExecutionUnit.java
@@ -25,6 +25,7 @@
 import lombok.ToString;
 import org.apache.shardingsphere.infra.executor.sql.context.ExecutionUnit;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
@@ -66,7 +67,7 @@ public List<List<Object>> getParameterSets() {
         if (executionUnit.getSqlUnit().getParameters().isEmpty() || 0 == actualCallAddBatchTimes) {
             result.add(Collections.emptyList());
         } else {
-            result.addAll(Lists.partition(executionUnit.getSqlUnit().getParameters(), executionUnit.getSqlUnit().getParameters().size() / actualCallAddBatchTimes));
+            result.addAll(Lists.partition(new ArrayList<>(executionUnit.getSqlUnit().getParameters()), executionUnit.getSqlUnit().getParameters().size() / actualCallAddBatchTimes));
         }
         return result;
     }